The Holden Calais VX Series represents the pinnacle of Australian luxury motoring from the early 2000s. Built upon the robust VT/VX platform, this premium large sedan is renowned for its supple ride quality, spacious and comfortable interior, and a choice of potent V6 and V8 engine options, including the 3.8L Supercharged V6 and the powerful 5.0L LS1 V8. Engineered for the Australian market, the Calais offered a refined driving experience, solid build quality, and a comprehensive suite of standard features, positioning it as a strong contender against other luxury sedans of its time. Its design emphasized comfort and performance, making it a popular choice for discerning drivers seeking a blend of luxury and capability. This comprehensive factory service repair manual provides in-depth guidance for the Holden Calais VX Series, covering all models, engines, and transmissions. It details essential maintenance procedures, from routine oil changes and fluid checks to major service intervals and component replacements. Extensive sections are dedicated to the vehicle's engine mechanicals, management systems, fuel and cooling systems, drivetrain, chassis components including suspension, steering, and brakes, and the complete electrical system. Furthermore, the manual offers detailed troubleshooting and diagnostic strategies, repair procedures for all major systems, and crucial safety guidelines, empowering owners and technicians to maintain and repair their vehicle with precision and confidence.